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well, it's not a requirement, but traditionally a single light on a single switch has hot, neutral and ground brought directly to the light fixture from the panel. this circuit is called the home run. the hot is then run to the switch and back to the light as switched hot, which is used to feed the light. in order to add a second switched light fixture on a separate switch, you could pick up hot, neutral and ground at the first light fixture and carry it in another circuit to the second light fixture (traditionally) OR to the second light switch directly, whichever is easier. if you carried the hot/neutral/ground to the second light fixture, you would then circuit hot and switched hot to/from the second switch. if you carried hot/neutral/ground directly to the second switch, you would have to switch the hot and carry switched hot/neutral/ground to the second light. the same is true if the first switch has the home run, only you would add a circuit from the first switch to the second light fixture (or switch) instead of from the first light fixture.

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12y ago
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14y ago

Let's assume they are all switches in the same box for simplicity. If at different locations you just need to extend wires. The supply has a Black, White and bare ground wire. You basically connect the supply White wire to the white wires going to each light. Then you connect the Black wire for each light to one side of each switch. Then Connect the supply Black wire to three pigtail wires (These are short Black wires) and connected the 4 wires together in a wire nut. Make sure they are twisted together tightly and screw on the wire nut. Now take the other ends of the 3 pigtails and connect one to each of the open screws on each switch. Do the same wire nut type connection for the for 3 bare wire pigtails and connect the ground screws of each switch to the supply ground wire.

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12y ago

Pig tail with a wire nut, the "hot" wire with two 6" lengths of wire. Install these two wires, one into the top of each switch. Into the bottom of the switches insert the circuit load wire to the two separate circuits.

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9y ago

Yes, the line side of the switches will be paralleled with the voltage source and the secondary side of the individual timed switches will be connected to the individual loads from each timed switch.

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14y ago

For North American 60 Hertz wiring systems. This answer is for two, three or multiple switches from a common "hot" supply.

If the switches are in the same switch box you have to pigtail the "hot" incoming wire each switch that you are supplying voltage to. The pigtails will be six inches in length, of the same colour and wire size as the "hot" wire. Group the pigtails together and tighten them together with a wire nut. These pigtail wires then go to the top screws of each switch. The switched loads then are connected to the bottom terminal screws of each switch.

If the other switches are in a different box, the connection in the first box is as follows. All white neutral wires are connected together under a wire nut. The "hot" incoming black wire is connected to the black wire that is going to the next box. Also connected in this splice is a six inch pigtail wire. The pigtail wire is connected to the first switch's top terminal screw. Load to the bottom of the first switch's terminal screw. The out going black wire to the next switch is connected to that switch's top screw and likewise load to the bottom screw. Connect to additional boxes downstream will use the same procedure. Remember to have the switch in the off position, handle down when you place the switch in the wall box.

As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

Before you do any work yourself,

on electrical circuits, equipment or appliances

always use a test meter to ensure the circuit is, in fact, de-energized.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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11y ago

Use a piece of jumper wire to jump from one switch to the other if they are both located in the same switch box.

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Q: How do you wire 3 different light switches to one power source?
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How do you wire one light and one GFCI and another light light and fan with two switches and one power line?

Connect the incoming power to the line side of the GFCi outlet. Now run another wire connected to the line side of the GFCI outlet from the GFCI outlet to the switches. Power one of the switches and use that switch to turn on the 2 lights. Run power from that switch to another switch and use that switch to send power to the fan. Mount both switches in a double pole switch box. If the light above the sink has an outlet on it then you will have to connect power going to that light on the load side of the GFCI outlet. If not then just connect it to the line side.


What 2 parts of the light bulb need to be connected in order for it to light?

Both ends of the filament to a power source.


A student is observing a slide of blood cells by using the low-power objective of a light microscope The cells are too small to examineso the student switches to the high-power objective The cells?

magnification.


If you want to add a light in a closet can you tap into a three wire red white black that is running between the two switches powering your hallway light and if so how?

Three wire strand running between 2 switches is for a 3 way switch. It is only one side of the circuit. Since it is only one side and switches between the 3 wires there is no way to use it for a light. There may be power at the hall light, but I have seen all types of wiring and each circumstance has to be looked at on it's own.


Is it possible to control a light switch with remote control?

Yes. the two switches are called '3-way' switches. You will have to turn the fan/light on with one of the switches and leave BOTH switches in that position. The remote control unit will have to be wired in between the switch that is supplying power to the devices and the devices. This is the simplest way. You could also disable one of the switches and replace the remaining switch with the RC unit. If you are not sure how to deal with 3-way switches, learn about them first, or call a good electrician to do all of the work. Remeber that the black wire is hot, but only if the house was wired properly in the first place.

Related questions

If you have a light in your kitchen operated by two different switches is it right that you should still get a power reading when the switches are off?

Yes, because the light is using 3-way switches. There is always "power" travelling between the switches.


What are the different types of low voltage transfer switches available?

There are a few different types of low voltage transfer switches available, including manual transfer switches, automatic transfer switches (ATS), and generator transfer switches. Manual transfer switches require the user to manually switch between power sources, while ATSs can automatically detect and switch to an alternate power source. Generator transfer switches are specifically designed for use with generators and will automatically detect when a generator is running and switch the load to that source of power.


What if you connected a light to two powers sources each coming through a light switch?

If either switch is turned on the light will be on. BUT- If the switches were wired to different phases of the AC power source they would be out of phase and blow the breaker if they were turned on at the same time.


Does each switch have its own power source?

Not all switch have there own power source, some of the switches are connected with two or more power sources so it is best to have additional switches to avoid a blowout.


Are diodes often used as switches?

Diodes perform a different function as switches. switches allow you to control wether or ot electricity is flowing. diodes only allow power to flow in one direction. A light emitting diode may be used as an indicator for wether or not power is flowing through a circuit.


How do you run three switches and a hot outlet from one incoming power source?

You need to run a wire from the existing power source to switch to switch to switch to outlet.


How do automatic transfer switches work?

ATS's constantly monitor the primary and secondary sources of power. When the primary source of power goes out, and the secondary is available, the unit automatically switches to the secondary power source. Some ATS's switch back to primary using the same logic, and some have to be manually switched back to primary. There are 'smart' switches that wait until the primary power source is available for a certain length of time (i.e. 2 minutes) until switching back, to avoid connecting to an unstable or intermittent utility source.


Where does the light from light bulbs come from?

the power source


How do you wire one light and one GFCI and another light light and fan with two switches and one power line?

Connect the incoming power to the line side of the GFCi outlet. Now run another wire connected to the line side of the GFCI outlet from the GFCI outlet to the switches. Power one of the switches and use that switch to turn on the 2 lights. Run power from that switch to another switch and use that switch to send power to the fan. Mount both switches in a double pole switch box. If the light above the sink has an outlet on it then you will have to connect power going to that light on the load side of the GFCI outlet. If not then just connect it to the line side.


How do you make a 2 way switch which breaks the circuit only when both the switches are turned off?

Send power to the 1st switch and then send the power from that switch when it is in the on position to the second switch. Then send power to the light from the second switch. That way both switches will have to be in the on position for the light to be on.


What is the different between light microscope and compound light microscope?

Answersimple first one is: their both different in quality. For example, a light microscope would use sunlight as its source of power,and therefore less effective. Compound microscope use electricity as its source of power for the same usage, which would be stronger and better to see the details in the specimen.


Why was the light switch made?

The light switches were made as a way for those to be able to conserve energy created to power lightbulbs